Save. Brand X Pictures/Brand X Pictures/Getty Images. A number of issues cause vertical lines on your computer screen, ranging from software incompatibilities with the computer's drivers to hardware problems involving the magnetic field of the monitor.
1) Segmented-Flow Analysis (SFA) The reaction stream is segmented with bubbles of air or nitrogen to reduce inter-sample dispersion. 2) Flow Injection Analysis (FIA) There are no air bubbles in the reaction stream.
Net present value method (also known as discounted cash flow method) is a popular capital budgeting technique that takes into account the time value of money.et present value is the difference between the present value of cash inflows and the present value of cash outflows that occur as a result of undertaking an investment project.